FeaturesStorage: 1 TB DVRCompatible with Amazon Alexa & Google AssistantField of view: 90 degreesMotion-activated red & blue flashing lights, spotlights & sirensNight vision up to 130ft/40m (32ft/10m in colour)Defend your property & deter intruders with the Swann Enforcer Indoor / Outdoor Wired 4K Ultra HD Night-Vision 4-Channel CCTV DVR Kit with 2 Cameras - motion-activated police-style red & blue flashing lights, spotlights & sirens.   Video in pro-quality Ultra HD to see everything that’s happening live or in playback mode, plus you can zoom in close to see car license plates, faces & so much more.   Enjoy hands-free security using voice commands. Stream video from your camera via the Google Assistant & Chromecast, Google Home Hub, or via Alexa devices with a screen, such as Echo Spot, Echo Show or 4K Fire TV.   Protect the ones you love with a loud siren that can be triggered automatically when activity occurs or manually via the app.   Get colour video at night up to 32ft (10m) with the lights on & even longer, up to 130ft (40m), in black & white during total darkness.   With Swann\'s True Detect, warm objects like people & cars can trigger the lights, siren, push notifications & recording with fewer false alarms to worry about.   Mount the cameras outdoors as their weatherproof design is IP66 rated, meaning they are built to withstand rain, snow & heat, all year round.   The massive 1TB HDD can store months of video before overwriting older files. Easily back up video to your personal Dropbox account in the cloud &/or transfer videos to a USB memory stick. There are no ongoing fees ever!   This system is designed to protect, & prevent crime at, small businesses & large homes. Position the cameras to watch over entrances, yards, driveways, parking lots, shop floors, store rooms, customer service areas & more.   This 4 channel DVR comes with 2 Enforcer Cameras offering you the flexibility to add 2 more cameras for increased coverage & to reduce blind spots if you need to.